Round|Natural|GIA

4.25ct D FL Round Natural Diamond

EX • D/FL • GIA 1242029646

Certificate GIA 1242029646

Diamond specifications and retailer prices

From £141,404 GBP
SGD 256,035 SGD
As of October 30, 2026
Save £75,738 GBP (35%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £217,142 GBP at Diamonds Direct · As of October 27, 2026
View at Diamonds Direct

About this 4.25ct natural round diamond

This 4.25ct natural round sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1242029646. Listed at 14 retailers as of October 27, 2026, with prices from £141,404 to £217,142, a £75,738 spread on the same certified stone. Diamonds Direct lists it at £217,142. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

4.25
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1242029646
Dimensions10.25 × 10.32 × 6.43 mm
L/W Ratio1.01
Culet sizeNone
Top View
10.25 mm10.32 mm4.25 ctD / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242029646
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A+
Exceptional
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: £217,142 GBP|Low: £141,404 GBP|High: £231,772 GBP|Avg: £172,898 GBP|-1.5%
Diamonds Direct
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 29, 2026
Retailer 9£141,404 GBP
Retailer 11£143,402 GBP
Retailer 5£145,068 GBP
Retailer 12£148,070 GBP
Retailer 2£151,204 GBP
Retailer 8£152,408 GBP
Retailer 4£156,862 GBP
Retailer 13£159,470 GBP
Retailer 14£159,895 GBP
Retailer 3£162,049 GBP
Retailer 15£169,642 GBP
Retailer 10£180,472 GBP
Retailer 6£181,640 GBP
Diamonds Direct£217,142 GBP
Retailer 7£226,662 GBP

23 data points across 15 retailers

14 retailers£141,404 GBP to £217,142 GBP

A
Cheapest Retailer
-
£141,404 GBP
SGD 256,035 SGD
A+
Retailer 2
-
£143,402 GBP
View
Retailer 3
-
£145,068 GBP
$194,376 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£148,070 GBP
$198,397 USD
View
A
Retailer 5
-
£151,204 GBP
A$311,687 AUD
View
A
Retailer 6
-
£152,408 GBP
$204,210 USD
View
A
Retailer 7
-
£156,862 GBP
$210,178 USD
View
A
Retailer 8
-
£159,470 GBP
SGD 288,746 SGD
View
A
Retailer 9
-
£159,895 GBP
$214,242 USD
View
A
Retailer 10
-
£162,049 GBP
$217,128 USD
View
A
Retailer 11
-
£169,642 GBP
$227,301 USD
View
B+
Retailer 12
-
£180,472 GBP
€230,298 EUR
View
B+
Retailer 13
-
£181,640 GBP
$243,377 USD
View
Most Expensive
B+
Diamonds Direct
1108916 · Oct 27
£217,142 GBP
$290,946 USD
View
13 more retailers have this diamond
Prices start from £141,404 GBPSave up to £75,738 GBP

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+
4.25ct Round
£141,404 GBP