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Marquise|Lab Grown|IGI

3.10ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG762545835

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762545835

Diamond specifications and retailer prices

From $6,405 NZD
$3,604 USD
As of November 2, 2026
Save $25,713 NZD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $32,118 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.1ct lab-grown marquise diamond

This 3.1ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545835 or 762545835. Listed at 14 retailers as of October 31, 2026, with prices from $6,405 to $32,118, a $25,713 spread on the same certified stone. Taylor and Hart lists it at $32,118. 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

3.10
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545835
Dimensions14.87 × 7.62 × 4.80 mm
L/W Ratio1.95
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
14.87 mm7.62 mm3.10 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545835
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.0%

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: Nov 2
Current: $11,676 NZD|Low: $6,405 NZD|High: $31,019 NZD|Avg: $16,985 NZD|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 11$6,405 NZD
Retailer 3$7,690 NZD
Retailer 1$11,676 NZD
Retailer 10$12,885 NZD
Retailer 12$13,863 NZD
Retailer 9$14,787 NZD
Retailer 2$15,402 NZD
Retailer 5$15,443 NZD
Retailer 6$18,651 NZD
Retailer 8$20,912 NZD
Retailer 13$21,221 NZD
Retailer 4$24,242 NZD
Retailer 7$29,850 NZD

38 data points across 13 retailers

14 retailers$6,405 NZD to $32,118 NZD

A
Cheapest Retailer
-
$6,405 NZD
$3,604 USD
A
Retailer 2
-
$7,690 NZD
$4,327 USD
View
B+
Retailer 3
-
$11,420 NZD
HK$50,200 HKD
View
B+
Retailer 4
-
$11,676 NZD
£5,173 GBP
View
Retailer 5
-
$11,846 NZD
£5,248 GBP
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$13,863 NZD
$7,800 USD
View
B+
Retailer 7
-
$14,787 NZD
€7,924 EUR
View
B+
Retailer 8
-
$15,402 NZD
$8,666 USD
View
B+
Retailer 9
-
$18,651 NZD
£8,263 GBP
View
B+
Retailer 10
-
$20,912 NZD
ZAR 190,085 ZAR
View
B
Retailer 11
-
$21,221 NZD
$11,940 USD
View
Retailer 12
-
$24,242 NZD
$13,640 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$29,850 NZD
A$25,839 AUD
View
Most Expensive
B
Taylor and Hart
CUSHYXH · Oct 31
$32,118 NZD
$18,071 USD
View
13 more retailers have this diamond
Prices start from $6,405 NZDSave up to $25,713 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
3.10ct Marquise
$6,405 NZD