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Marquise|Lab Grown|IGI

5.09ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG712563747

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG712563747

Diamond specifications and retailer prices

From $2,649 NZD
$1,493 USD
As of October 30, 2026
Save $15,573 NZD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $21,451 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.09ct lab-grown marquise diamond

This 5.09ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG712563747 or 712563747. Listed at 23 retailers as of October 30, 2026, with a 588% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.09
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712563747
Dimensions18.14 × 8.97 × 5.51 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Top View
18.14 mm8.97 mm5.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712563747
Side View
Table 63.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.4%

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: Oct 30
Current: $21,451 NZD|Low: $2,543 NZD|High: $21,842 NZD|Avg: $6,467 NZD|-1.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10$2,649 NZD
Retailer 11$3,073 NZD
Retailer 7$3,224 NZD
Retailer 8$3,380 NZD
Retailer 4$3,435 NZD
Retailer 3$4,304 NZD
Retailer 5$4,808 NZD
Retailer 9$6,892 NZD
Retailer 12$8,282 NZD
Retailer 6$9,375 NZD
Retailer 2$9,687 NZD
Brilliant Earth$21,451 NZD

44 data points across 12 retailers

23 retailers$2,649 NZD to $18,222 NZD

Retailer 1
-
$2,649 NZD
$1,493 USD
Price last confirmed 24 days ago
A
Retailer 2
-
$2,649 NZD
$1,493 USD
View
Retailer 3
-
$2,883 NZD
$1,625 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$3,073 NZD
$1,732 USD
View
Price last confirmed 29 days ago
Retailer 5
-
$3,073 NZD
$1,732 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$3,224 NZD
$1,817 USD
View
Final sale: no returns
B+
Retailer 7
-
$3,380 NZD
$1,905 USD
View
A
Retailer 8
-
$3,435 NZD
$1,936 USD
View
B+
Retailer 9
-
$3,733 NZD
$2,104 USD
View
B+
Retailer 10
-
$4,304 NZD
$2,426 USD
View
B+
Retailer 11
-
$4,808 NZD
£2,134 GBP
View
B+
Retailer 12
-
$5,578 NZD
$3,144 USD
View
Retailer 13
-
$6,359 NZD
$3,584 USD
View
Price last confirmed 32 days ago
B
Retailer 14
-
$6,359 NZD
$3,584 USD
View
B+
Retailer 15
-
$6,892 NZD
ZAR 62,756 ZAR
View
B
Retailer 16
-
$7,030 NZD
£3,120 GBP
View
B
Retailer 17
-
$8,282 NZD
$4,668 USD
View
B
Retailer 18
-
$8,900 NZD
$5,016 USD
View
B
Retailer 19
-
$9,375 NZD
A$8,129 AUD
View
B
Retailer 20
-
$9,687 NZD
£4,299 GBP
View
B
Retailer 21
-
$11,942 NZD
$6,730 USD
View
B
Retailer 22
-
$18,222 NZD
$10,270 USD
View
Most Expensive
Brilliant Earth
17611050A · Oct 31
$21,451 NZD
$12,090 USD
View
Price under review
22 more retailers have this diamond
Prices start from $2,649 NZDSave up to $15,573 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
5.09ct Marquise
$2,649 NZD