Round|Lab Grown|IGI

3.70ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825675292

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825675292

Diamond specifications and retailer prices

From $4,904 NZD
$2,764 USD
As of October 29, 2026
Save $14,926 NZD (75%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $19,830 NZD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG825675292 or 825675292. Listed at 19 retailers as of October 29, 2026, with prices from $4,904 to $19,830, a $14,926 spread on the same certified stone. Taylor and Hart lists it at $19,830. 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 angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825675292
Dimensions9.83 × 9.87 × 6.14 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
9.83 mm9.87 mm3.70 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825675292
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

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 29
Current: $5,690 NZD|Low: $4,904 NZD|High: $21,409 NZD|Avg: $9,725 NZD|-7.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Taylor and Hart
October 31, 2026
Retailer 5$4,904 NZD
Retailer 15$5,337 NZD
Retailer 2$5,491 NZD
Retailer 1$5,690 NZD
Retailer 17$5,745 NZD
Retailer 7$5,793 NZD
Retailer 9$6,034 NZD
Retailer 14$6,709 NZD
Retailer 16$7,149 NZD
Retailer 12$7,655 NZD
Retailer 13$7,821 NZD
Retailer 8$8,277 NZD
Retailer 11$8,872 NZD
Retailer 10$11,932 NZD
Retailer 4$13,452 NZD
Retailer 18$14,292 NZD
Retailer 6$14,762 NZD
Retailer 3$16,637 NZD
Taylor and Hart$19,830 NZD

28 data points across 19 retailers

19 retailers$4,904 NZD to $19,830 NZD

A
Cheapest Retailer
-
$4,904 NZD
$2,764 USD
A
Retailer 2
-
$5,337 NZD
$3,008 USD
View
A
Retailer 3
-
$5,491 NZD
$3,095 USD
View
Final sale: no returns
A
Retailer 4
-
$5,690 NZD
$3,207 USD
View
A
Retailer 5
-
$5,745 NZD
$3,238 USD
View
A
Retailer 6
-
$5,793 NZD
$3,265 USD
View
B+
Retailer 7
-
$6,709 NZD
$3,781 USD
View
Retailer 8
-
$7,131 NZD
HK$31,400 HKD
View
Price last confirmed 41 days ago
B+
Retailer 9
-
$7,149 NZD
$4,029 USD
View
B+
Retailer 10
-
$7,655 NZD
£3,397 GBP
View
B+
Retailer 11
-
$7,821 NZD
$4,408 USD
View
B+
Retailer 12
-
$8,277 NZD
$4,665 USD
View
B+
Retailer 13
-
$8,872 NZD
€4,762 EUR
View
Retailer 14
-
$11,932 NZD
$6,725 USD
View
Price last confirmed 24 days ago
B+
Retailer 15
-
$13,452 NZD
ZAR 122,480 ZAR
View
B+
Retailer 16
-
$14,292 NZD
$8,055 USD
View
B+
Retailer 17
-
$14,762 NZD
£6,551 GBP
View
B
Retailer 18
-
$16,637 NZD
$9,376 USD
View
Most Expensive
B
Taylor and Hart
I9OHZKM · Oct 30
$19,830 NZD
$11,176 USD
View
18 more retailers have this diamond
Prices start from $4,904 NZDSave up to $14,926 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
$4,904 NZD