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Round|Lab Grown|IGI

1.02ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG778645842

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645842

Diamond specifications and retailer prices

From $190 USD
As of October 30, 2026
Save $907 USD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,791 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.02ct lab-grown round diamond

This 1.02ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778645842 or 778645842. Listed at 23 retailers as of October 29, 2026, with a 478% 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

1.02
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645842
Dimensions6.40 × 6.43 × 4.00 mm
L/W Ratio1.00
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
6.40 mm6.43 mm1.02 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645842
Side View
Table 56.0%Crown 34.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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 30
Current: $190 USD|Low: $189 USD|High: $1,097 USD|Avg: $454 USD|-17.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 1$190 USD
Retailer 2$285 USD
Retailer 5$358 USD
Retailer 9$361 USD
Retailer 6$374 USD
Retailer 8$393 USD
Retailer 3$405 USD
Retailer 4$452 USD
Retailer 10$513 USD
Retailer 12$526 USD
Retailer 7$989 USD
Retailer 11$1,097 USD

42 data points across 12 retailers

23 retailers$190 USD to $1,097 USD

Retailer 1
-
$170 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$190 USD
View
Final sale: no returns
A
Retailer 3
-
$197 USD
View
Retailer 4
-
$210 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$210 USD
View
A
Retailer 6
-
$243 USD
HK$1,900 HKD
View
B+
Retailer 7
-
$285 USD
View
A
Retailer 8
-
$358 USD
£282 GBP
View
B+
Retailer 9
-
$361 USD
ZAR 5,837 ZAR
View
B+
Retailer 10
-
$374 USD
£294 GBP
View
B+
Retailer 11
-
$393 USD
€374 EUR
View
Retailer 12
-
$405 USD
View
Price last confirmed 26 days ago
B+
Retailer 13
-
$452 USD
View
B+
Retailer 14
-
$513 USD
A$789 AUD
View
B+
Retailer 15
-
$526 USD
View
B
Retailer 16
-
$576 USD
SGD 779 SGD
View
Retailer 17
-
$677 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
$693 USD
View
B
Retailer 19
-
$731 USD
View
B
Retailer 20
-
$989 USD
£779 GBP
View
B
Retailer 21
-
$1,097 USD
View
B
Retailer 22
-
$1,097 USD
£864 GBP
View
Most Expensive
Queensmith
LG778645842 · Oct 27
$1,791 USD
£1,410 GBP
View
Price under review
22 more retailers have this diamond
Prices start from $190 USDSave up to $907 USD

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
1.02ct Round
$190 USD