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Round|Lab Grown|IGI

1.56ct D VVS2 Round Lab Grown Diamond

ID • D/VVS2 • IGI LG778690875

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778690875

Diamond specifications and retailer prices

From £197 GBP
$262 USD
As of October 28, 2026
Save £783 GBP (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,645 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.56ct lab-grown round diamond

This 1.56ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778690875 or 778690875. Listed at 23 retailers as of October 28, 2026, with a 398% 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

1.56
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778690875
Dimensions7.37 × 7.41 × 4.59 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
7.37 mm7.41 mm1.56 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778690875
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.1%

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 28
Current: £1,645 GBP|Low: £197 GBP|High: £1,697 GBP|Avg: £609 GBP|-3.1%
Brilliant Earth
Retailer 2
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Retailer 20
October 30, 2026
Retailer 8£197 GBP
Retailer 6£204 GBP
Retailer 18£252 GBP
Retailer 5£294 GBP
Retailer 4£330 GBP
Retailer 15£352 GBP
Retailer 16£376 GBP
Retailer 20£411 GBP
Retailer 2£411 GBP
Retailer 3£433 GBP
Retailer 10£466 GBP
Retailer 17£510 GBP
Retailer 19£574 GBP
Retailer 12£707 GBP
Retailer 11£742 GBP
Retailer 13£864 GBP
Retailer 14£880 GBP
Retailer 7£889 GBP
Retailer 9£980 GBP
Brilliant Earth£1,645 GBP

40 data points across 20 retailers

23 retailers£197 GBP to £980 GBP

A
Cheapest Retailer
-
£197 GBP
$262 USD
Final sale: no returns
A
Retailer 2
-
£204 GBP
$271 USD
View
A
Retailer 3
-
£204 GBP
$272 USD
View
A
Retailer 4
-
£252 GBP
$336 USD
View
A
Retailer 5
-
£252 GBP
$336 USD
View
B+
Retailer 6
-
£294 GBP
$392 USD
View
Retailer 7
-
£330 GBP
View
Price last confirmed 13 days ago
A
Retailer 8
-
£352 GBP
€446 EUR
View
A
Retailer 9
-
£376 GBP
ZAR 8,079 ZAR
View
A
Retailer 10
-
£411 GBP
$547 USD
View
A
Retailer 11
-
£411 GBP
View
A
Retailer 12
-
£433 GBP
A$888 AUD
View
B+
Retailer 13
-
£466 GBP
$620 USD
View
B+
Retailer 14
-
£510 GBP
A$1,044 AUD
View
B+
Retailer 15
-
£574 GBP
$764 USD
View
B+
Retailer 16
-
£707 GBP
SGD 1,273 SGD
View
B+
Retailer 17
-
£742 GBP
$988 USD
View
B
Retailer 18
-
£811 GBP
$1,080 USD
View
B+
Retailer 19
-
£864 GBP
A$1,771 AUD
View
B+
Retailer 20
-
£880 GBP
View
B
Retailer 21
-
£889 GBP
$1,184 USD
View
B
Retailer 22
-
£980 GBP
$1,305 USD
View
Most Expensive
Brilliant Earth
18441812A · Oct 16
£1,645 GBP
$2,190 USD
View
Price last confirmed 13 days ago
22 more retailers have this diamond
Prices start from £197 GBPSave up to £783 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
1.56ct Round
£197 GBP