CaratHunter
Plans
Round|Lab Grown|IGI

1.02ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG781618288

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781618288

Diamond specifications and retailer prices

From $234 USD
As of November 3, 2026
Save $1,069 USD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,007 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG781618288 or 781618288. Listed at 24 retailers as of November 1, 2026, with a 457% 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781618288
Dimensions6.42 × 6.45 × 3.96 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
6.42 mm6.45 mm1.02 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781618288
Side View
Table 59.0%Crown 35.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.5%

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: Nov 3
Current: $937 USD|Low: $225 USD|High: $2,070 USD|Avg: $639 USD|+22.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 11$234 USD
Retailer 3$291 USD
Retailer 2$392 USD
Retailer 5$460 USD
Retailer 9$501 USD
Retailer 6$526 USD
Retailer 4$542 USD
Retailer 7$711 USD
Retailer 1$937 USD
Retailer 10$1,160 USD
Retailer 8$1,164 USD

38 data points across 11 retailers

24 retailers$234 USD to $1,303 USD

A
Cheapest Retailer
-
$234 USD
A
Retailer 2
-
$262 USD
View
Final sale: no returns
A
Retailer 3
-
$272 USD
View
A
Retailer 4
-
$291 USD
View
A
Retailer 5
-
$320 USD
View
A
Retailer 6
-
$392 USD
View
A
Retailer 7
-
$460 USD
View
A
Retailer 8
-
$501 USD
View
A
Retailer 9
-
$523 USD
View
A
Retailer 10
-
$526 USD
View
A
Retailer 11
-
$528 USD
View
A
Retailer 12
-
$542 USD
View
B+
Retailer 13
-
$711 USD
View
B+
Retailer 14
-
$773 USD
View
B+
Retailer 15
-
$785 USD
View
B+
Retailer 16
-
$934 USD
View
B+
Retailer 17
-
$937 USD
View
B
Retailer 18
-
$986 USD
View
B
Retailer 19
-
$1,009 USD
View
Retailer 20
-
$1,076 USD
View
Price last confirmed 93 days ago
B
Retailer 21
-
$1,160 USD
View
B+
Retailer 22
-
$1,164 USD
View
B
Retailer 23
-
$1,303 USD
View
Most Expensive
Queensmith
LG781618288 · Oct 27
$2,007 USD
£1,580 GBP
View
Price last confirmed 7 days ago
23 more retailers have this diamond
Prices start from $234 USDSave up to $1,069 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
$234 USD