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3.70ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG790606731

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790606731

Diamond specifications and retailer prices

From $2,764 NZD
$1,558 USD
As of October 31, 2026
Save $19,982 NZD (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $22,747 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.7ct lab-grown round diamond

This 3.7ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790606731 or 790606731. Listed at 14 retailers as of October 31, 2026, with prices from $2,764 to $22,747, a $19,982 spread on the same certified stone. Brilliant Earth lists it at $22,747. 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

3.70
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790606731
Dimensions9.96 × 9.92 × 6.10 mm
L/W Ratio1.00
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
9.96 mm9.92 mm3.70 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790606731
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

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 31
Current: $22,747 NZD|Low: $2,764 NZD|High: $32,541 NZD|Avg: $9,971 NZD|-30.1%
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
November 1, 2026
Retailer 5$2,764 NZD
Retailer 14$2,828 NZD
Retailer 3$3,077 NZD
Retailer 15$3,710 NZD
Retailer 10$5,160 NZD
Retailer 12$5,163 NZD
Retailer 13$5,800 NZD
Retailer 17$6,787 NZD
Retailer 4$7,912 NZD
Retailer 6$8,330 NZD
Retailer 8$9,111 NZD
Retailer 2$10,341 NZD
Retailer 11$11,072 NZD
Retailer 7$15,261 NZD
Retailer 9$17,531 NZD
Retailer 16$19,446 NZD
Brilliant Earth$22,747 NZD

30 data points across 17 retailers

14 retailers$2,764 NZD to $22,747 NZD

A
Cheapest Retailer
-
$2,764 NZD
$1,558 USD
Final sale: no returns
A
Retailer 2
-
$2,828 NZD
$1,594 USD
View
A
Retailer 3
-
$3,077 NZD
$1,734 USD
View
A
Retailer 4
-
$3,710 NZD
$2,091 USD
View
A
Retailer 5
-
$5,160 NZD
$2,908 USD
View
A
Retailer 6
-
$5,163 NZD
$2,910 USD
View
A
Retailer 7
-
$5,800 NZD
$3,269 USD
View
B+
Retailer 8
-
$6,787 NZD
$3,825 USD
View
B+
Retailer 9
-
$7,912 NZD
$4,459 USD
View
B+
Retailer 10
-
$10,341 NZD
£4,589 GBP
View
B+
Retailer 11
-
$10,850 NZD
$6,115 USD
View
B+
Retailer 12
-
$11,072 NZD
$6,240 USD
View
B
Retailer 13
-
$19,446 NZD
$10,960 USD
View
Most Expensive
B
Brilliant Earth
21413588Y · Oct 31
$22,747 NZD
$12,820 USD
View
13 more retailers have this diamond
Prices start from $2,764 NZDSave up to $19,982 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
3.70ct Round
$2,764 NZD