CaratHunter
Plans
Heart|Lab Grown|IGI

1.03ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG606361921

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG606361921

Diamond specifications and retailer prices

From $361 USD
As of November 1, 2026
Save $1,238 USD (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,470 USD at Brilliant Earth · As of October 9, 2026
View at Brilliant Earth

About this 1.03ct lab-grown heart diamond

This 1.03ct lab-grown heart 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 LG606361921 or 606361921. Listed at 21 retailers as of November 1, 2026, with a 343% 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

1.03
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG606361921
Dimensions6.64 × 7.02 × 3.89 mm
L/W Ratio1.06
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
6.64 mm7.02 mm1.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG606361921
Side View
Table 61.0%Crown 37.2°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 55.4%

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: Nov 1
Current: $2,470 USD|Low: $316 USD|High: $2,470 USD|Avg: $756 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 10$316 USD
Retailer 15$361 USD
Retailer 8$408 USD
Retailer 9$408 USD
Retailer 12$411 USD
Retailer 5$538 USD
Retailer 17$540 USD
Retailer 6$610 USD
Retailer 3$637 USD
Retailer 11$646 USD
Retailer 14$688 USD
Retailer 13$713 USD
Retailer 4$974 USD
Retailer 2$996 USD
Retailer 7$1,328 USD
Retailer 18$1,437 USD
Retailer 16$1,599 USD
Brilliant Earth$2,470 USD

32 data points across 18 retailers

21 retailers$361 USD to $1,599 USD

Retailer 1
-
$316 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$361 USD
View
Final sale: no returns
Retailer 3
-
$381 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$408 USD
View
Price last confirmed 30 days ago
Retailer 5
-
$408 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$411 USD
£324 GBP
View
A
Retailer 7
-
$538 USD
View
A
Retailer 8
-
$540 USD
View
B+
Retailer 9
-
$610 USD
View
B+
Retailer 10
-
$637 USD
View
B+
Retailer 11
-
$646 USD
€615 EUR
View
B+
Retailer 12
-
$688 USD
ZAR 11,119 ZAR
View
B+
Retailer 13
-
$713 USD
£561 GBP
View
B+
Retailer 14
-
$974 USD
A$1,498 AUD
View
B+
Retailer 15
-
$996 USD
View
Retailer 16
-
$1,044 USD
A$1,606 AUD
View
Price last confirmed 160 days ago
Retailer 17
-
$1,311 USD
View
Price last confirmed 32 days ago
B
Retailer 18
-
$1,328 USD
View
B
Retailer 19
-
$1,437 USD
View
B
Retailer 20
-
$1,599 USD
£1,259 GBP
View
Most Expensive
Brilliant Earth
11243995A · Oct 9
$2,470 USD
View
Price last confirmed 24 days ago
20 more retailers have this diamond
Prices start from $361 USDSave up to $1,238 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
1.03ct Heart
$361 USD