CaratHunter
Plans
Heart|Lab Grown|IGI

1.56ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG677570628

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG677570628

Diamond specifications and retailer prices

From $235 USD
As of October 30, 2026
Save $954 USD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,110 USD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.56ct lab-grown heart diamond

This 1.56ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG677570628 or 677570628. Listed at 18 retailers as of October 30, 2026, with a 406% 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

1.56
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677570628
Dimensions7.19 × 8.19 × 4.71 mm
L/W Ratio1.14
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
7.19 mm8.19 mm1.56 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677570628
Side View
Table 56.0%Crown 32.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 57.5%

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: Oct 30
Current: $2,110 USD|Low: $226 USD|High: $2,220 USD|Avg: $618 USD|-5.0%
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
November 1, 2026
Retailer 15$235 USD
Retailer 14$263 USD
Retailer 6$273 USD
Retailer 3$292 USD
Retailer 12$292 USD
Retailer 10$326 USD
Retailer 5$493 USD
Retailer 9$501 USD
Retailer 7$545 USD
Retailer 8$551 USD
Retailer 11$757 USD
Retailer 4$938 USD
Retailer 2$1,170 USD
Retailer 13$1,187 USD
Brilliant Earth$2,110 USD

43 data points across 15 retailers

18 retailers$235 USD to $1,189 USD

A
Cheapest Retailer
-
$235 USD
A
Retailer 2
-
$263 USD
View
Final sale: no returns
A
Retailer 3
-
$273 USD
View
A
Retailer 4
-
$292 USD
View
Retailer 5
-
$292 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$326 USD
£257 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
$493 USD
View
A
Retailer 8
-
$501 USD
ZAR 8,097 ZAR
View
B+
Retailer 9
-
$545 USD
View
B+
Retailer 10
-
$551 USD
£434 GBP
View
B+
Retailer 11
-
$552 USD
View
B
Retailer 12
-
$757 USD
View
B
Retailer 13
-
$938 USD
View
B
Retailer 14
-
$990 USD
View
B
Retailer 15
-
$1,170 USD
£921 GBP
View
B
Retailer 16
-
$1,187 USD
View
B
Retailer 17
-
$1,189 USD
View
Most Expensive
Brilliant Earth
14978249A · Oct 22
$2,110 USD
View
Price last confirmed 10 days ago
17 more retailers have this diamond
Prices start from $235 USDSave up to $954 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
1.56ct Heart
$235 USD