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Radiant|Lab Grown|IGI

3.88ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG779649686

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG779649686

Diamond specifications and retailer prices

From $1,136 NZD
$640 USD
As of October 31, 2026
Save $8,353 NZD (88%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $9,489 NZD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 3.88ct lab-grown radiant diamond

This 3.88ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG779649686 or 779649686. Listed at 5 retailers as of October 31, 2026, with prices from $1,136 to $9,489, a $8,353 spread on the same certified stone. Frank Darling lists it at $9,489. 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

3.88
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779649686
Dimensions11.23 × 7.72 × 5.24 mm
L/W Ratio1.45
Culet sizePointed
Top View
11.23 mm7.72 mm3.88 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779649686
Side View
Table 67.0%Crown 46°Girdle: MediumPavilion 35.9°Culet: NoneDepth 67.9%

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: $9,489 NZD|Low: $1,136 NZD|High: $16,412 NZD|Avg: $4,950 NZD|-5.4%
Frank Darling
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
October 31, 2026
Retailer 2$1,136 NZD
Retailer 8$1,567 NZD
Retailer 13$1,694 NZD
Retailer 12$1,977 NZD
Retailer 14$2,106 NZD
Retailer 4$2,795 NZD
Retailer 15$2,810 NZD
Retailer 11$3,985 NZD
Retailer 10$4,408 NZD
Retailer 5$4,725 NZD
Retailer 7$5,493 NZD
Retailer 9$6,441 NZD
Retailer 3$8,428 NZD
Frank Darling$9,489 NZD
Retailer 6$16,412 NZD

7 data points across 15 retailers

5 retailers$1,136 NZD to $9,489 NZD

A
Cheapest Retailer
-
$1,136 NZD
$640 USD
Final sale: no returns
B+
Retailer 2
-
$1,567 NZD
$883 USD
View
Retailer 3
-
$5,493 NZD
A$4,763 AUD
View
Price last confirmed 120 days ago
Retailer 4
-
$6,441 NZD
$3,630 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Frank Darling
100765896104KD · Oct 31
$9,489 NZD
$5,348 USD
View
4 more retailers have this diamond
Prices start from $1,136 NZDSave up to $8,353 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
3.88ct Radiant
$1,136 NZD