Radiant|Lab Grown|IGI

1.54ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG687560321

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG687560321

Diamond specifications and retailer prices

From $380 NZD
As of November 4, 2026
Save $2,193 NZD (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,572 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.54ct lab-grown radiant diamond

This 1.54ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG687560321 or 687560321. Listed at 25 retailers as of November 4, 2026, with prices from $380 to $2,572, a $2,193 spread on the same certified stone. Brilliant Earth lists it at $2,572. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687560321
Dimensions6.79 × 6.08 × 4.23 mm
L/W Ratio1.12
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
6.79 mm6.08 mm1.54 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687560321
Side View
Table 67.0%Crown 41.7°Girdle: Slightly ThickPavilion 35.5°Culet: NoneDepth 69.6%

Caratlytics Score

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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: $2,572 NZD|Low: $365 NZD|High: $3,264 NZD|Avg: $1,148 NZD|-21.2%
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 5, 2026
Retailer 3$380 NZD
Retailer 13$424 NZD
Retailer 8$440 NZD
Retailer 5$470 NZD
Retailer 9$470 NZD
Retailer 14$665 NZD
Retailer 17$761 NZD
Retailer 12$812 NZD
Retailer 2$864 NZD
Retailer 10$924 NZD
Retailer 15$1,100 NZD
Retailer 7$1,513 NZD
Retailer 18$1,519 NZD
Retailer 6$1,602 NZD
Retailer 16$1,724 NZD
Retailer 11$1,880 NZD
Retailer 4$1,916 NZD
Brilliant Earth$2,572 NZD

45 data points across 18 retailers

25 retailers$380 NZD to $2,572 NZD

A
Cheapest Retailer
-
$380 NZD
A
Retailer 2
-
$424 NZD
View
Final sale: no returns
A
Retailer 3
-
$440 NZD
View
Retailer 4
-
$470 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$470 NZD
View
A
Retailer 6
-
$522 NZD
View
B+
Retailer 7
-
$665 NZD
View
A
Retailer 8
-
$761 NZD
View
A
Retailer 9
-
$812 NZD
View
A
Retailer 10
-
$864 NZD
View
A
Retailer 11
-
$924 NZD
View
B+
Retailer 12
-
$946 NZD
View
Retailer 13
-
$1,100 NZD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$1,513 NZD
View
B+
Retailer 15
-
$1,519 NZD
View
B+
Retailer 16
-
$1,526 NZD
View
B+
Retailer 17
-
$1,602 NZD
View
B
Retailer 18
-
$1,607 NZD
View
Retailer 19
-
$1,724 NZD
View
Price last confirmed 11 days ago
B
Retailer 20
-
$1,838 NZD
View
B
Retailer 21
-
$1,880 NZD
View
Retailer 22
-
$1,916 NZD
View
Price last confirmed 22 days ago
B
Retailer 23
-
$1,918 NZD
View
B
Retailer 24
-
$2,196 NZD
View
Most Expensive
B
Brilliant Earth
17804887A · Nov 4
$2,572 NZD
$1,450 USD
View
24 more retailers have this diamond
Prices start from $380 NZDSave up to $2,193 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
1.54ct Radiant
$380 NZD