CaratHunter
Plans
Heart|Lab Grown|IGI

1.03ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG782689087

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG782689087

Diamond specifications and retailer prices

From $301 USD
As of October 30, 2026
Save $939 USD (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,700 USD at Brilliant Earth · As of October 22, 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 LG782689087 or 782689087. Listed at 20 retailers as of October 30, 2026, with a 312% 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 angle35.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782689087
Dimensions6.52 × 7.00 × 3.94 mm
L/W Ratio1.07
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
6.52 mm7.00 mm1.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782689087
Side View
Table 55.0%Crown 35.6°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 56.3%

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: $1,700 USD|Low: $196 USD|High: $1,700 USD|Avg: $675 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
October 31, 2026
Retailer 7$286 USD
Retailer 9$301 USD
Retailer 12$375 USD
Retailer 10$449 USD
Retailer 14$457 USD
Retailer 2$493 USD
Retailer 15$572 USD
Retailer 4$572 USD
Retailer 5$576 USD
Retailer 3$650 USD
Retailer 8$858 USD
Retailer 6$908 USD
Retailer 11$1,072 USD
Retailer 13$1,240 USD
Brilliant Earth$1,700 USD

38 data points across 15 retailers

20 retailers$301 USD to $1,240 USD

Retailer 1
-
$223 USD
Price last confirmed 22 days ago
Retailer 2
-
$259 USD
View
Price last confirmed 32 days ago
Retailer 3
-
$277 USD
View
Price last confirmed 28 days ago
Retailer 4
-
$277 USD
View
Price last confirmed 19 days ago
Retailer 5
-
$282 USD
View
Price last confirmed 36 days ago
A
Retailer 6
-
$301 USD
View
Final sale: no returns
A
Retailer 7
-
$375 USD
View
A
Retailer 8
-
$449 USD
€428 EUR
View
A
Retailer 9
-
$457 USD
ZAR 7,384 ZAR
View
A
Retailer 10
-
$493 USD
£388 GBP
View
B+
Retailer 11
-
$572 USD
View
B+
Retailer 12
-
$572 USD
View
B+
Retailer 13
-
$576 USD
View
B+
Retailer 14
-
$650 USD
A$1,000 AUD
View
B+
Retailer 15
-
$858 USD
View
Retailer 16
-
$890 USD
View
Price last confirmed 30 days ago
B+
Retailer 17
-
$908 USD
View
B
Retailer 18
-
$1,072 USD
£844 GBP
View
B
Retailer 19
-
$1,240 USD
View
Most Expensive
Brilliant Earth
18328190A · Oct 22
$1,700 USD
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from $301 USDSave up to $939 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
$301 USD