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Round|Lab Grown|IGI

1.71ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG770636520

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770636520

Diamond specifications and retailer prices

From €268 EUR
$299 USD
As of October 29, 2026
Save €1,089 EUR (80%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €1,490 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.71ct lab-grown round diamond

This 1.71ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG770636520 or 770636520. Listed at 27 retailers as of October 29, 2026, with a 407% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770636520
Dimensions7.60 × 7.66 × 4.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.60 mm7.66 mm1.71 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770636520
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €1,490 EUR|Low: €257 EUR|High: €1,508 EUR|Avg: €694 EUR|-1.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 8€268 EUR
Retailer 5€311 EUR
Retailer 3€332 EUR
Retailer 6€332 EUR
Retailer 10€448 EUR
Retailer 14€463 EUR
Retailer 2€541 EUR
Retailer 17€570 EUR
Retailer 11€587 EUR
Retailer 16€598 EUR
Retailer 4€779 EUR
Retailer 12€804 EUR
Retailer 7€1,067 EUR
Retailer 9€1,166 EUR
Retailer 15€1,338 EUR
Retailer 13€1,357 EUR
Rare Carat€1,490 EUR

31 data points across 17 retailers

27 retailers€268 EUR to €1,357 EUR

A
Cheapest Retailer
-
€268 EUR
$299 USD
A
Retailer 2
-
€300 EUR
$335 USD
View
Final sale: no returns
A
Retailer 3
-
€311 EUR
$347 USD
View
A
Retailer 4
-
€332 EUR
$371 USD
View
Retailer 5
-
€332 EUR
$371 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
€332 EUR
$371 USD
View
A
Retailer 7
-
€367 EUR
HK$3,200 HKD
View
B+
Retailer 8
-
€448 EUR
$500 USD
View
A
Retailer 9
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€448 EUR
$500 USD
View
A
Retailer 10
-
€463 EUR
£408 GBP
View
A
Retailer 11
-
€541 EUR
View
A
Retailer 12
-
€570 EUR
ZAR 10,295 ZAR
View
A
Retailer 13
-
€571 EUR
$638 USD
View
B+
Retailer 14
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€587 EUR
£517 GBP
View
B+
Retailer 15
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€598 EUR
A$1,028 AUD
View
B+
Retailer 16
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€693 EUR
$774 USD
View
B+
Retailer 17
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€779 EUR
A$1,339 AUD
View
B+
Retailer 18
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€804 EUR
$898 USD
View
B
Retailer 19
-
€1,067 EUR
$1,192 USD
View
B
Retailer 20
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€1,067 EUR
SGD 1,611 SGD
View
B
Retailer 21
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€1,110 EUR
$1,240 USD
View
B
Retailer 22
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€1,166 EUR
$1,303 USD
View
B
Retailer 23
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€1,276 EUR
$1,426 USD
View
B
Retailer 24
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€1,338 EUR
£1,177 GBP
View
B
Retailer 25
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€1,351 EUR
$1,510 USD
View
B
Retailer 26
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€1,357 EUR
A$2,332 AUD
View
Most Expensive
Rare Carat
225206365VB770 · Oct 21
€1,490 EUR
$1,665 USD
View
Price last confirmed 10 days ago
26 more retailers have this diamond
Prices start from €268 EURSave up to €1,089 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.71ct Round
€268 EUR