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Oval|Lab Grown|IGI

5.10ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG831644537

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG831644537

Diamond specifications and retailer prices

From $16,102 NZD
HK$70,900 HKD
As of October 30, 2026
Save $64,023 NZD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $80,126 NZD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.1ct lab-grown oval diamond

This 5.1ct lab-grown oval sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831644537 or 831644537. Listed at 13 retailers as of October 30, 2026, with prices from $16,102 to $80,126, a $64,023 spread on the same certified stone. With Clarity lists it at $80,126. 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

5.10
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831644537
Dimensions13.60 × 9.69 × 6.05 mm
L/W Ratio1.40
Girdle conditionFaceted
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
13.60 mm9.69 mm5.10 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831644537
Side View
Table 61.0%Crown 36.7°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 62.4%

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: $18,105 NZD|Low: $16,102 NZD|High: $94,080 NZD|Avg: $34,939 NZD|-15.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
October 31, 2026
Retailer 10$16,102 NZD
Retailer 12$17,157 NZD
Retailer 3$17,432 NZD
Retailer 6$18,084 NZD
Retailer 1$18,105 NZD
Retailer 5$25,231 NZD
Retailer 9$27,099 NZD
Retailer 4$28,972 NZD
Retailer 8$29,280 NZD
Retailer 7$30,137 NZD
Retailer 2$45,788 NZD
Retailer 11$50,161 NZD
With Clarity$80,126 NZD

22 data points across 13 retailers

13 retailers$16,102 NZD to $80,126 NZD

A
Cheapest Retailer
-
$16,102 NZD
HK$70,900 HKD
A
Retailer 2
-
$17,157 NZD
$9,670 USD
View
A
Retailer 3
-
$17,432 NZD
$9,825 USD
View
A
Retailer 4
-
$18,084 NZD
$10,192 USD
View
A
Retailer 5
-
$18,105 NZD
£8,034 GBP
View
A
Retailer 6
-
$25,231 NZD
$14,220 USD
View
A
Retailer 7
-
$27,099 NZD
$15,273 USD
View
B+
Retailer 8
-
$29,280 NZD
£12,994 GBP
View
B+
Retailer 9
-
$30,137 NZD
ZAR 274,403 ZAR
View
B+
Retailer 10
-
$40,720 NZD
$22,950 USD
View
B+
Retailer 11
-
$45,788 NZD
$25,806 USD
View
B+
Retailer 12
-
$50,161 NZD
$28,271 USD
View
Most Expensive
B
With Clarity
831644537 · Oct 31
$80,126 NZD
$45,159 USD
View
12 more retailers have this diamond
Prices start from $16,102 NZDSave up to $64,023 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
5.10ct Oval
$16,102 NZD