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Round|Lab Grown|IGI

1.71ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG687537601

Shape and cutting style on the report: Round brilliant

Certificate IGI LG687537601

Diamond specifications and retailer prices

From €303 EUR
$338 USD
As of November 1, 2026
Save €2,043 EUR (87%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €2,345 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG687537601 or 687537601. Listed at 27 retailers as of October 31, 2026, with prices from €303 to €2,345, a €2,043 spread on the same certified stone. Brilliant Earth lists it at €2,345. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687537601
Dimensions7.62 × 7.69 × 4.78 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
7.62 mm7.69 mm1.71 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687537601
Side View
Table 56.0%Crown 35°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.4%

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: Nov 1
Current: €2,345 EUR|Low: €300 EUR|High: €2,623 EUR|Avg: €968 EUR|-10.6%
Brilliant Earth
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 11€303 EUR
Retailer 18€338 EUR
Retailer 22€351 EUR
Retailer 6€375 EUR
Retailer 7€375 EUR
Retailer 20€510 EUR
Retailer 8€606 EUR
Retailer 5€611 EUR
Retailer 16€632 EUR
Retailer 17€633 EUR
Retailer 19€645 EUR
Retailer 2€671 EUR
Retailer 4€961 EUR
Retailer 10€977 EUR
Retailer 12€1,207 EUR
Retailer 14€1,245 EUR
Retailer 15€1,370 EUR
Retailer 13€1,418 EUR
Retailer 9€1,463 EUR
Retailer 21€1,506 EUR
Retailer 3€2,059 EUR
Brilliant Earth€2,345 EUR

37 data points across 22 retailers

27 retailers€303 EUR to €2,345 EUR

Retailer 1
-
€300 EUR
$335 USD
Price last confirmed 40 days ago
A
Retailer 2
-
€303 EUR
$338 USD
View
A
Retailer 3
-
€338 EUR
$378 USD
View
Final sale: no returns
A
Retailer 4
-
€351 EUR
$392 USD
View
Retailer 5
-
€367 EUR
$410 USD
View
Price last confirmed 40 days ago
Retailer 6
-
€375 EUR
$419 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
€375 EUR
$419 USD
View
A
Retailer 8
-
€510 EUR
$570 USD
View
A
Retailer 9
-
€606 EUR
$677 USD
View
A
Retailer 10
-
€611 EUR
$683 USD
View
A
Retailer 11
-
€632 EUR
View
A
Retailer 12
-
€633 EUR
A$1,088 AUD
View
A
Retailer 13
-
€645 EUR
ZAR 11,643 ZAR
View
A
Retailer 14
-
€671 EUR
£591 GBP
View
B+
Retailer 15
-
€961 EUR
$1,074 USD
View
B+
Retailer 16
-
€977 EUR
$1,091 USD
View
Retailer 17
-
€1,196 EUR
$1,336 USD
View
Price last confirmed 41 days ago
B+
Retailer 18
-
€1,207 EUR
$1,348 USD
View
B+
Retailer 19
-
€1,245 EUR
$1,391 USD
View
B+
Retailer 20
-
€1,255 EUR
$1,402 USD
View
B
Retailer 21
-
€1,362 EUR
$1,522 USD
View
Retailer 22
-
€1,370 EUR
A$2,354 AUD
View
Price last confirmed 31 days ago
B
Retailer 23
-
€1,418 EUR
$1,584 USD
View
B
Retailer 24
-
€1,463 EUR
$1,635 USD
View
Retailer 25
-
€1,506 EUR
£1,325 GBP
View
Price last confirmed 7 days ago
Retailer 26
-
€2,059 EUR
$2,300 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
14743823A · Oct 31
€2,345 EUR
$2,620 USD
View
26 more retailers have this diamond
Prices start from €303 EURSave up to €2,043 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
€303 EUR