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Round|Lab Grown|IGI

1.02ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG474116580

Shape and cutting style on the report: Round brilliant

Certificate IGI LG474116580

Diamond specifications and retailer prices

From $659 USD
As of October 29, 2026
Save $587 USD (47%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,150 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.02ct lab-grown round diamond

This 1.02ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474116580 or 474116580. Listed at 11 retailers as of October 29, 2026, with a 89% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.02
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474116580
Dimensions6.39 × 6.33 × 4.03 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
6.39 mm6.33 mm1.02 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474116580
Side View
Table 57.0%Crown 36.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,219 USD|Low: $482 USD|High: $3,260 USD|Avg: $1,200 USD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 8$482 USD
Retailer 7$717 USD
Retailer 6$738 USD
Retailer 4$780 USD
Retailer 1$1,219 USD
Retailer 5$1,246 USD
Retailer 3$1,953 USD
Retailer 2$3,239 USD

40 data points across 8 retailers

11 retailers$659 USD to $1,246 USD

B
Cheapest Retailer
-
$659 USD
B
Retailer 2
-
$717 USD
View
B
Retailer 3
-
$738 USD
View
Final sale: no returns
B
Retailer 4
-
$765 USD
View
Retailer 5
-
$765 USD
View
Price last confirmed 14 days ago
B
Retailer 6
-
$780 USD
View
B
Retailer 7
-
$1,219 USD
£960 GBP
View
B
Retailer 8
-
$1,246 USD
View
Retailer 9
-
$1,953 USD
View
Price under review
Most Expensive
NZ Jewellers
b95d3139-3132-4847-ac77-fd7d69e18659 · Oct 27
$2,150 USD
View
Price under review
9 more retailers have this diamond
Prices start from $659 USDSave up to $587 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.

B
1.02ct Round
$659 USD