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Round|Lab Grown|IGI

1.71ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG759506957

Shape and cutting style on the report: Round brilliant

Certificate IGI LG759506957

Diamond specifications and retailer prices

From £213 GBP
$286 USD
As of October 29, 2026
Save £1,022 GBP (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £1,545 GBP at Brilliant Earth · As of October 16, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG759506957 or 759506957. Listed at 26 retailers as of October 25, 2026, with a 479% 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 angle34.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG759506957
Dimensions7.66 × 7.71 × 4.72 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
7.66 mm7.71 mm1.71 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG759506957
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £1,545 GBP|Low: £212 GBP|High: £1,545 GBP|Avg: £617 GBP
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 14£213 GBP
Retailer 2£238 GBP
Retailer 3£248 GBP
Retailer 7£265 GBP
Retailer 8£265 GBP
Retailer 13£370 GBP
Retailer 23£381 GBP
Retailer 9£436 GBP
Retailer 19£452 GBP
Retailer 22£455 GBP
Retailer 6£465 GBP
Retailer 17£467 GBP
Retailer 20£484 GBP
Retailer 4£574 GBP
Retailer 21£616 GBP
Retailer 11£715 GBP
Retailer 15£852 GBP
Retailer 12£888 GBP
Retailer 18£1,067 GBP
Retailer 10£1,096 GBP
Retailer 16£1,142 GBP
Retailer 5£1,235 GBP
Brilliant Earth£1,545 GBP

25 data points across 23 retailers

26 retailers£213 GBP to £1,235 GBP

A
Cheapest Retailer
-
£213 GBP
$286 USD
A
Retailer 2
-
£238 GBP
$319 USD
View
Final sale: no returns
A
Retailer 3
-
£248 GBP
$332 USD
View
A
Retailer 4
-
£265 GBP
$355 USD
View
A
Retailer 5
-
£265 GBP
$355 USD
View
A
Retailer 6
-
£370 GBP
View
A
Retailer 7
-
£381 GBP
$510 USD
View
A
Retailer 8
-
£436 GBP
$584 USD
View
A
Retailer 9
-
£452 GBP
€577 EUR
View
A
Retailer 10
-
£455 GBP
ZAR 9,848 ZAR
View
A
Retailer 11
-
£465 GBP
$623 USD
View
A
Retailer 12
-
£467 GBP
View
B+
Retailer 13
-
£484 GBP
A$998 AUD
View
B+
Retailer 14
-
£574 GBP
$769 USD
View
B+
Retailer 15
-
£616 GBP
A$1,269 AUD
View
B+
Retailer 16
-
£715 GBP
$958 USD
View
B+
Retailer 17
-
£852 GBP
$1,141 USD
View
B
Retailer 18
-
£870 GBP
$1,166 USD
View
B
Retailer 19
-
£888 GBP
$1,190 USD
View
B+
Retailer 20
-
£972 GBP
$1,302 USD
View
B+
Retailer 21
-
£1,009 GBP
$1,352 USD
View
B
Retailer 22
-
£1,067 GBP
View
B
Retailer 23
-
£1,096 GBP
$1,468 USD
View
Retailer 24
-
£1,142 GBP
A$2,354 AUD
View
Price last confirmed 22 days ago
B
Retailer 25
-
£1,235 GBP
$1,655 USD
View
Most Expensive
Brilliant Earth
17469893A · Oct 16
£1,545 GBP
$2,070 USD
View
Price last confirmed 14 days ago
25 more retailers have this diamond
Prices start from £213 GBPSave up to £1,022 GBP

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
£213 GBP