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Round|Lab Grown|IGI

1.51ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG783611604

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783611604

Diamond specifications and retailer prices

From $386 NZD
As of November 4, 2026
Save $2,087 NZD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,473 NZD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783611604 or 783611604. Listed at 17 retailers as of November 4, 2026, with prices from $386 to $2,473, a $2,087 spread on the same certified stone. Brilliant Earth lists it at $2,473. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783611604
Dimensions7.36 × 7.28 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.36 mm7.28 mm1.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783611604
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,473 NZD|Low: $340 NZD|High: $2,473 NZD|Avg: $1,033 NZD
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
November 5, 2026
Retailer 6$340 NZD
Retailer 16$386 NZD
Retailer 5$439 NZD
Retailer 8$439 NZD
Retailer 7$591 NZD
Retailer 11$740 NZD
Retailer 14$786 NZD
Retailer 12$802 NZD
Retailer 15$886 NZD
Retailer 10$998 NZD
Retailer 9$1,299 NZD
Retailer 13$1,384 NZD
Retailer 4$1,473 NZD
Retailer 2$1,998 NZD
Retailer 3$2,090 NZD
Brilliant Earth$2,473 NZD

26 data points across 16 retailers

17 retailers$386 NZD to $2,473 NZD

Retailer 1
-
$340 NZD
Price last confirmed 35 days ago
A
Retailer 2
-
$386 NZD
View
Final sale: no returns
Retailer 3
-
$411 NZD
View
Price last confirmed 30 days ago
Retailer 4
-
$439 NZD
View
Price last confirmed 34 days ago
B+
Retailer 5
-
$591 NZD
View
A
Retailer 6
-
$740 NZD
View
A
Retailer 7
-
$786 NZD
View
Retailer 8
-
$802 NZD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$886 NZD
View
A
Retailer 10
-
$998 NZD
View
B+
Retailer 11
-
$1,299 NZD
View
B+
Retailer 12
-
$1,384 NZD
View
Retailer 13
-
$1,411 NZD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
$1,473 NZD
View
B+
Retailer 15
-
$1,998 NZD
View
B
Retailer 16
-
$2,090 NZD
View
Most Expensive
B
Brilliant Earth
20918537A · Nov 5
$2,473 NZD
$1,390 USD
View
16 more retailers have this diamond
Prices start from $386 NZDSave up to $2,087 NZD

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
1.51ct Round
$386 NZD